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chris_RA40
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May 2002
icon4.gif  FORD STUD RA40 Sun, 19 May 2002 23:36 Go to next message
Is there any way i can convert my RA40 to ford/commodore stud pattern? I want to run 15" steel "chasers" (widened to 7") on it as im building on a budget but still want a "tough" looking car. Any help would be appreciated.
P.S. does anyone know if nissan etc. had a 4stud 15 inch steel rim (early skylines maybee??)
Thanx,
chris
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celica28
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Re: FORD STUD RA40 Mon, 20 May 2002 03:11 Go to previous messageGo to next message
Chris,

Ford run a 5x114.3 stud pattern. Current Commodore run a 5x120 stud pattern.

Simply talk to an engineering company ans they will drill and fit the new studs for you.

I have changed my RA 28 to Commodore 5 stud. This was done while I was having the Falcon diff converted to fit.

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Cool1
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Re: FORD STUD RA40 Mon, 20 May 2002 04:41 Go to previous messageGo to next message
You could put a Hilux diff down the back! It has the same stud patten as the fords.
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gianttomato
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Re: FORD STUD RA40 Mon, 20 May 2002 04:54 Go to previous messageGo to next message
Cool1 wrote on Mon, 20 May 2002 2:41 PM

You could put a Hilux diff down the back! It has the same stud patten as the fords.


And run Crown hubs at the front! (114.3 x 5, Ford)
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Johnny
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Re: FORD STUD RA40 Mon, 20 May 2002 09:01 Go to previous messageGo to next message
Quote:

You could put a Hilux diff down the back! It has the same stud patten as the fords.

And run Crown hubs at the front! (114.3 x 5, Ford)



I was going to say that in one sentence! This is what I did.
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chris_RA40
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Re: FORD STUD RA40 Mon, 20 May 2002 22:50 Go to previous messageGo to next message
can i just run crown hubs front and back on my stock diff? Is a hilux diff hard to get and install? Thanx for your replies, helped heaps Smile
cheers, chris.
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gianttomato
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Re: FORD STUD RA40 Mon, 20 May 2002 23:40 Go to previous messageGo to next message
You will need to modify both the Crown or Hilux diff to fit.

Essntially, you will need to take the diff to a diff place and get some one to weld the RA40 suspension points on to it. The Crown diff is 7,5" whilst the Hilux diff is 8" (somewhat stronger). The Crown diff (MS112) is disc brake whilst the Hilux is drum.
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celica28
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Re: FORD STUD RA40 Tue, 21 May 2002 03:27 Go to previous messageGo to next message
Don't be fooled into thinking that the larger the Crown wheel the stronger the diff. The main strength lies within the hemisphere and the number of splines on the axle.
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Norbie
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Re: FORD STUD RA40 Tue, 21 May 2002 09:11 Go to previous messageGo to next message
As far as I'm aware, a larger diff pretty much always corresponds with a stronger hemisphere and more splines (I'm talking Toyota diffs here). The 8" G series diff is definitely stronger than the 7.5" F series, and it remains popular with the rotary boys for its relatively compact strength.
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Cool1
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Re: FORD STUD RA40 Tue, 21 May 2002 09:14 Go to previous messageGo to next message
Speaking of Hilux diffs, What would be a best to bolt under a Ta22?
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Johnny
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Re: FORD STUD RA40 Tue, 21 May 2002 09:54 Go to previous messageGo to next message
Quote:

Don't be fooled into thinking that the larger the Crown wheel the stronger the diff. The main strength lies within the hemisphere and the number of splines on the axle


It's also harder to break a 1.5" drive shaft(hilux) than a 1" (celica) but I will agree that a hilux diff can be broken if abused constantly...
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Purple_Beasty
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Re: FORD STUD RA40 Tue, 21 May 2002 10:13 Go to previous message
What struts do the Crown hubs go onto and what size brakes do they have? I have most of the Carina (TA63 with 3T-GTEU) front suspension in my Starlet at this stage, however would consider fitting the Crown hubs if I end up with a Hilux diff. I don't want to go down in brake size at all as I believe my current brakes are equivalent to the same model Supra.
Any help appreciated.

[Updated on: Wed, 22 May 2002 19:48]

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